Merge pull request #24160 from SCORE1387

* pr/24160:
  Rename "sla" to "slo" in reference documentation

Closes gh-24160

Author: snicoll

spring-boot-project/spring-boot-docs/src/docs/asciidoc/production-ready-features.adoc

@@ -2198,7 +2198,7 @@ The following properties allow per-meter customization:
 | Publish a cumulative histogram with buckets defined by your service-level objectives.
 |===
 
-For more details on concepts behind `percentiles-histogram`, `percentiles` and `sla` refer to the {micrometer-concepts-docs}#_histograms_and_percentiles["Histograms and percentiles" section] of the micrometer documentation.
+For more details on concepts behind `percentiles-histogram`, `percentiles` and `slo` refer to the {micrometer-concepts-docs}#_histograms_and_percentiles["Histograms and percentiles" section] of the micrometer documentation.